diff --git a/Documentation/ioctl/ioctl-number.txt b/Documentation/ioctl/ioctl-number.txt
index c9558146ac58..ab0b3f686454 100644
--- a/Documentation/ioctl/ioctl-number.txt
+++ b/Documentation/ioctl/ioctl-number.txt
@@ -348,3 +348,4 @@ Code  Seq#(hex)	Include File		Comments
 0xF6	all	LTTng			Linux Trace Toolkit Next Generation
 					<mailto:mathieu.desnoyers@efficios.com>
 0xFD	all	linux/dm-ioctl.h
+0xFE	all	linux/isst_if.h